4340243 has 4 divisors (see below), whose sum is σ = 4349280. Its totient is φ = 4331208.

The previous prime is 4340239. The next prime is 4340251. The reversal of 4340243 is 3420434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4340243 - 2² = 4340239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4340233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 4772.

It is an arithmetic number, because the mean of its divisors is an integer number (1087320).

Almost surely, 2^4340243 is an apocalyptic number.

4340243 is a deficient number, since it is larger than the sum of its proper divisors (9037).

4340243 is an equidigital number, since it uses as much as digits as its factorization.

4340243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4340243 is about 2083.3249866499. The cubic root of 4340243 is about 163.1190493663.

Adding to 4340243 its reverse (3420434), we get a palindrome (7760677).

The spelling of 4340243 in words is "four million, three hundred forty thousand, two hundred forty-three".